your_final_list = [[str(i) + str(k) for i in range(len(liste))] for k in range(len(code))] -- http://yasar.serveblog.net/ -- http://yasar.serveblog.net/ -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.python.org/pipermail/python-list/attachments/20111011/d6628c87/attachment-0001.html>